b8ccdce24de3bf276a73ac3a23c23668224735f1e0af0d280868efc8fdbc51a6

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
13/03/2024, 02:47

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General

Target

c4c717cf99aff48832cecaf67a52b592.exe
Size

757KB
MD5

c4c717cf99aff48832cecaf67a52b592
SHA1

3e949b6fb9c6d67fb9dbec0ae13de1cd8291462b
SHA256

b8ccdce24de3bf276a73ac3a23c23668224735f1e0af0d280868efc8fdbc51a6
SHA512

f9f897b1df7c5b5514a194b078cd0e0e56af325cbf69aeb0722a02cacf03779aa031e08f7f87dbc7406e0f3094beae12ac78463c299a9062933814c1ca58e98c
SSDEEP

12288:gDBqmbrCFtTZk+rgePAmdfzQ1FgflGIGTJ36k6UpkJh6H9LCqPJmRyEAbX8DzX0/:CBpWFtTi+1PAqzQ1FuGBTphW0/r8P0Tj

Score

9^/10

collection spyware stealer upx

Malware Config

Signatures

Nirsoft 4 IoCs

resource	yara_rule
behavioral1/memory/2596-46-0x0000000000400000-0x000000000041F000-memory.dmp	Nirsoft
behavioral1/memory/2596-50-0x0000000000400000-0x000000000041F000-memory.dmp	Nirsoft
behavioral1/memory/2596-51-0x0000000000400000-0x000000000041F000-memory.dmp	Nirsoft
behavioral1/memory/1792-136-0x0000000010000000-0x000000001003E000-memory.dmp	Nirsoft

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1792-136-0x0000000010000000-0x000000001003E000-memory.dmp	upx

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	c4c717cf99aff48832cecaf67a52b592.exe

Suspicious use of SetThreadContext 5 IoCs

description	pid	Process	procid_target
PID 2040 set thread context of 1792	2040	c4c717cf99aff48832cecaf67a52b592.exe	28
PID 1792 set thread context of 2596	1792	c4c717cf99aff48832cecaf67a52b592.exe	29
PID 1792 set thread context of 2780	1792	c4c717cf99aff48832cecaf67a52b592.exe	30
PID 1792 set thread context of 2520	1792	c4c717cf99aff48832cecaf67a52b592.exe	31
PID 1792 set thread context of 2544	1792	c4c717cf99aff48832cecaf67a52b592.exe	32

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2596	c4c717cf99aff48832cecaf67a52b592.exe
Token: SeDebugPrivilege	2544	c4c717cf99aff48832cecaf67a52b592.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2040	c4c717cf99aff48832cecaf67a52b592.exe

Suspicious use of WriteProcessMemory 50 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 1792	2040	c4c717cf99aff48832cecaf67a52b592.exe	28
PID 2040 wrote to memory of 1792	2040	c4c717cf99aff48832cecaf67a52b592.exe	28
PID 2040 wrote to memory of 1792	2040	c4c717cf99aff48832cecaf67a52b592.exe	28
PID 2040 wrote to memory of 1792	2040	c4c717cf99aff48832cecaf67a52b592.exe	28
PID 2040 wrote to memory of 1792	2040	c4c717cf99aff48832cecaf67a52b592.exe	28
PID 2040 wrote to memory of 1792	2040	c4c717cf99aff48832cecaf67a52b592.exe	28
PID 2040 wrote to memory of 1792	2040	c4c717cf99aff48832cecaf67a52b592.exe	28
PID 2040 wrote to memory of 1792	2040	c4c717cf99aff48832cecaf67a52b592.exe	28
PID 2040 wrote to memory of 1792	2040	c4c717cf99aff48832cecaf67a52b592.exe	28
PID 2040 wrote to memory of 1792	2040	c4c717cf99aff48832cecaf67a52b592.exe	28
PID 1792 wrote to memory of 2596	1792	c4c717cf99aff48832cecaf67a52b592.exe	29
PID 1792 wrote to memory of 2596	1792	c4c717cf99aff48832cecaf67a52b592.exe	29
PID 1792 wrote to memory of 2596	1792	c4c717cf99aff48832cecaf67a52b592.exe	29
PID 1792 wrote to memory of 2596	1792	c4c717cf99aff48832cecaf67a52b592.exe	29
PID 1792 wrote to memory of 2596	1792	c4c717cf99aff48832cecaf67a52b592.exe	29
PID 1792 wrote to memory of 2596	1792	c4c717cf99aff48832cecaf67a52b592.exe	29
PID 1792 wrote to memory of 2596	1792	c4c717cf99aff48832cecaf67a52b592.exe	29
PID 1792 wrote to memory of 2596	1792	c4c717cf99aff48832cecaf67a52b592.exe	29
PID 1792 wrote to memory of 2596	1792	c4c717cf99aff48832cecaf67a52b592.exe	29
PID 1792 wrote to memory of 2596	1792	c4c717cf99aff48832cecaf67a52b592.exe	29
PID 1792 wrote to memory of 2780	1792	c4c717cf99aff48832cecaf67a52b592.exe	30
PID 1792 wrote to memory of 2780	1792	c4c717cf99aff48832cecaf67a52b592.exe	30
PID 1792 wrote to memory of 2780	1792	c4c717cf99aff48832cecaf67a52b592.exe	30
PID 1792 wrote to memory of 2780	1792	c4c717cf99aff48832cecaf67a52b592.exe	30
PID 1792 wrote to memory of 2780	1792	c4c717cf99aff48832cecaf67a52b592.exe	30
PID 1792 wrote to memory of 2780	1792	c4c717cf99aff48832cecaf67a52b592.exe	30
PID 1792 wrote to memory of 2780	1792	c4c717cf99aff48832cecaf67a52b592.exe	30
PID 1792 wrote to memory of 2780	1792	c4c717cf99aff48832cecaf67a52b592.exe	30
PID 1792 wrote to memory of 2780	1792	c4c717cf99aff48832cecaf67a52b592.exe	30
PID 1792 wrote to memory of 2780	1792	c4c717cf99aff48832cecaf67a52b592.exe	30
PID 1792 wrote to memory of 2520	1792	c4c717cf99aff48832cecaf67a52b592.exe	31
PID 1792 wrote to memory of 2520	1792	c4c717cf99aff48832cecaf67a52b592.exe	31
PID 1792 wrote to memory of 2520	1792	c4c717cf99aff48832cecaf67a52b592.exe	31
PID 1792 wrote to memory of 2520	1792	c4c717cf99aff48832cecaf67a52b592.exe	31
PID 1792 wrote to memory of 2520	1792	c4c717cf99aff48832cecaf67a52b592.exe	31
PID 1792 wrote to memory of 2520	1792	c4c717cf99aff48832cecaf67a52b592.exe	31
PID 1792 wrote to memory of 2520	1792	c4c717cf99aff48832cecaf67a52b592.exe	31
PID 1792 wrote to memory of 2520	1792	c4c717cf99aff48832cecaf67a52b592.exe	31
PID 1792 wrote to memory of 2520	1792	c4c717cf99aff48832cecaf67a52b592.exe	31
PID 1792 wrote to memory of 2520	1792	c4c717cf99aff48832cecaf67a52b592.exe	31
PID 1792 wrote to memory of 2544	1792	c4c717cf99aff48832cecaf67a52b592.exe	32
PID 1792 wrote to memory of 2544	1792	c4c717cf99aff48832cecaf67a52b592.exe	32
PID 1792 wrote to memory of 2544	1792	c4c717cf99aff48832cecaf67a52b592.exe	32
PID 1792 wrote to memory of 2544	1792	c4c717cf99aff48832cecaf67a52b592.exe	32
PID 1792 wrote to memory of 2544	1792	c4c717cf99aff48832cecaf67a52b592.exe	32
PID 1792 wrote to memory of 2544	1792	c4c717cf99aff48832cecaf67a52b592.exe	32
PID 1792 wrote to memory of 2544	1792	c4c717cf99aff48832cecaf67a52b592.exe	32
PID 1792 wrote to memory of 2544	1792	c4c717cf99aff48832cecaf67a52b592.exe	32
PID 1792 wrote to memory of 2544	1792	c4c717cf99aff48832cecaf67a52b592.exe	32
PID 1792 wrote to memory of 2544	1792	c4c717cf99aff48832cecaf67a52b592.exe	32

C:\Users\Admin\AppData\Local\Temp\c4c717cf99aff48832cecaf67a52b592.exe
"C:\Users\Admin\AppData\Local\Temp\c4c717cf99aff48832cecaf67a52b592.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2040
- C:\Users\Admin\AppData\Local\Temp\c4c717cf99aff48832cecaf67a52b592.exe
  C:\Users\Admin\AppData\Local\Temp\c4c717cf99aff48832cecaf67a52b592.exe
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1792
- - C:\Users\Admin\AppData\Local\Temp\c4c717cf99aff48832cecaf67a52b592.exe
    /stext C:\Users\Admin\AppData\Local\Temp\temp.txt
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2596
- - C:\Users\Admin\AppData\Local\Temp\c4c717cf99aff48832cecaf67a52b592.exe
    /stext C:\Users\Admin\AppData\Local\Temp\temp.txt
    3⤵
    - Accesses Microsoft Outlook accounts
    PID:2780
- - C:\Users\Admin\AppData\Local\Temp\c4c717cf99aff48832cecaf67a52b592.exe
    /stext C:\Users\Admin\AppData\Local\Temp\temp.txt
    3⤵
    PID:2520
- - C:\Users\Admin\AppData\Local\Temp\c4c717cf99aff48832cecaf67a52b592.exe
    /stext C:\Users\Admin\AppData\Local\Temp\temp.txt
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2544

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1792-19-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/1792-4-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/1792-6-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/1792-12-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/1792-9-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/1792-15-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/1792-27-0x0000000000220000-0x000000000022A000-memory.dmp

Filesize
40KB

Download
memory/1792-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1792-22-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1792-142-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1792-141-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1792-136-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1792-2-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/2596-43-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2596-37-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2596-35-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2596-33-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2596-40-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2596-51-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2596-50-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2596-46-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2780-59-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2780-61-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2780-63-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2780-66-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download